US2434070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flasher
Assignee: Individual
•
Filing: 1943-04-08
•
Granted: 1948-01-06
•
Expires: 1963-04-08
Abstract
No abstract record available.
Inventors
- 👤 Henry R Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:58
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/30; H01H51/32; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18864
Claims Analysis
Total Claims: 0
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US2144741A
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US2300954A
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US2257059A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |